OpenTechnical

OT-2026-000054900

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054900) never changes.

Identity and time

Publication numberOT-2026-000054900 · never reused
Internal UUID01a0ae86-1285-70ee-9bfa-2a6814e74419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054900
StatusPUBLIC

Content hashes

Canonical textcdfce1ff6272930ee2cb8b86718d68e22ce9a64a6a19dd83e23531269d941b63
Markdown26cfbc243386eeb68407d5df883d7d94f4e587f467eb5c8054f92f8cd2bf24ce
PDF
Publication pageed7cd1367f3543837e39da3db56568593fc6d5cde5bd0045990cd79ea6c35972
Manifestbc20b597949a94582917771b99ec416c82baadbc0057dabd61ce2dcaf30b38a4

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureetfTrN9Jcf8N8gEsrrXZd0DYL+rvtl76xxQQpBaXfG/3IPa8rkVbpHGIQIlIcWk5MhpFZnDee9THJ2xXv1JQBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:07.772514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054900
observed ed7cd1367f3543837e39da3db5656859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.753167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054900/manifest.json
observed bc20b597949a94582917771b99ec416c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.733659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054900/publication.md
observed 26cfbc243386eeb68407d5df883d7d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.712942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054900/publication.txt
observed cdfce1ff6272930ee2cb8b86718d68e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.